换极器

It determines the economic and security of the whole heat exchanger.

它对整台换热器的安全性和经济性有极重要的影响。

It determines the economy and security of the whole heat exchanger.

它对整台换热器的安全性和经济性有极重要的影响。

Thus, the output will always be driven by a single transistor, either P- channel or N-channel. Since they are as closely matched as possible, the output resistance of the gate will always be the same, and signal behavior is therefore more predictable. Fig. 3.4 CMOS NAND gate One of the main problems with CMOS gates is their speed. They cannot operate very quickly, because of their inherent input capacitance. B-series devices help to overcome these 24 Lesson 3 CMOS Logic Circuit 25 limitations to some extent, by providing uniform output current, and by switching output states more rapidly, even if the input signals are changing more slowly. Note that we haven't gone into all of the details of CMOS gate construction here. For example, to avoid damage caused by static electricity, different manufacturers developed a number of input protection circuits to prevent input voltages from becoming too high. [3] However, these protection circuits don't affect the logical behavior of the gates, so we won't go into the details here. New Words and Phrases 1. CMOS abbr.

略语互补金属氧化物半导体(complementary metallic oxide semiconductor)逻辑，逻辑学，逻辑性，推理方法补充的，补足的，互补的电池供电的门电路，逻辑门，闸门，控制栅，大门，通道，门口，入口伏特，环骑，闪避基础的，基本的，主要的基本原则，基本原理增强型金属氧化物半导体场效应晶体管(metallic oxide semiconductor field effect transistor)反相器，反用换流器，变极器来源，水源，消息来源，原始资料，发起者源，源极排水沟，消耗，排水漏极排出，喝干，耗尽排水，流干，耗尽相同的，相配的，匹配的匹配有效地，有力地，事实上，实际上无限的东西无穷大无穷的，无限的，无数的，极大的接地的正向偏置的，正偏的或非 25 2。

The PS R2 Series offers the user a totally integrated loudspeaker solution, in which innovative transducer, waveguide and enclosure designs come together under the control of strategic equalisation from dedicated TD Controllers to ensure extended bandwidth and sound pressure levels, along with a high degree of speaker protection will now be offered with power options from the NXAMP product range.

新PS R2系列提供了一个完整的音箱系统解决方案，它内里设计先进的换能器，波导管和箱体设计，交于全新设计和专用的TD处理器作策略性的均衡控制，以确保频响的伸延和声压的水平，及极高程度的音箱保护。

Integrated gate commutated thyristors are the key components to assure reliable and efficient operation of high power inverters.

集成门极换流晶闸管是大容量变换器高效可靠运行的重要元件。

The drum,screw, screen changer and die head are made of high quality alloyed steel (38CrMOAIA) with high hardness, strong corrosion resistance and long operating life after nitrogen treatment.

螺杆、料筒、换网器、模头均选用优质合金钢（38CrMoAIA），经氮化处理，硬度高、防腐能力强、使用寿命长；模头为衣架式支管递减型，流道利于熔料流动、无滞留现象，片材厚度均匀；压光琨内采用螺旋往复式水槽，水循环冷却，效果极佳；模头、换网器、料筒温度分段控制，整机传动同步运行。

The condensers are made of copper tubes and aluminum fins with ensured quality and support for high pressure.

换热器经14Mpa 水压胀管，确保最小的热触热阻和极高的传热效率，并可适应任何高压配管。

The writer thinks existing major problems:1、The confusion Produces by the same plant have the different name、the different plant have the same name、think the typeface meaning just the righteousness,even fabricate without basis etc; 2、Because dont understand living creature type and adaptability in the depth of the water for the plants , A great deal of aquatic plants death;3、In planting design, so much express of plants specification ,and many of them are disobey with biology characteristic, so the plants are hard for purchase or the result is very bad after plant; 4、Plant density more than 100 times or less than several decuples of normal.

作者认为存在的主要问题有：1、植物名称同物异名、同名异物、望文成义，甚至凭空捏造等等产生的混乱；2、植物生物型和水深适应性不了解造成的种植水深不符植物习性，从而使大量水生植物死亡；3、种植设计中，苗木规格的表述不妥，许多表述与植物的生物学特性相违背，造成苗木难以采购或种植后效果极差；4、种植密度严重偏大或偏小，偏大的大于正常的100多倍，小的则少几十倍螺旋板换热器。

Other conclusion include: the trip of transient protection must be locked when the power circuit breaker of transimission line operated,because the trip is incorrect at this time;the features of transient current and its energy is different between the fault and thunder over- voltage in transimission line,and them can be identified;the ratio of high frequency component of current in serise capaciters compensation line , SVC and HVDC system is far little than fault transient current, so all of them do not affect the working of trasient current protection.

研究了在串联补偿电容的输电线路上发生故障时，串联补偿电容的MOV非线性保护电路对暂态保护的影响。串补电容MOV保护电路的非线性电流高频分量含量很小。静止补偿器、高压直流输电系统换流器的非线性特性产生的谐波分量含量极少。仿真计算表明，在与暂态保护判据中高频分量对应的频率范围内，其电流对应的功率谱估计值大大低于线路故障时故障电流的功率谱估计值，因此它们都不会对暂态电流保护的正常工作产生影响。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。